Here are Samsung's improvements to the Galaxy Fold

Samsung has been tirelessly working on improving the Galaxy Fold
after it temporarily suspended its release rollout plans, following
a bunch of problems that surfaced when the reviews came out. And
now a report from its home country of Korea details those
improvements. The company has apparently solved both of the main
issues that were reported – stuff (such as dirt, lint, dust, sand,
and so on) being able to get into the hinge and lodge beneath the
display, causing lasting damage; as well as people being driven to
remove a protective layer that sat on top of the display because it
looked…

Source: FS – Cell Phones
Here are Samsung's improvements to the Galaxy Fold